General Information
    • ISSN: 2010-0264 (Print)
    • Abbreviated Title: Int. J. Environ. Sci. Dev.
    • Frequency: Monthly
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
    • Executive Editor: Ms. Nancy Y. Liu
    • Abstracting/ Indexing: Scopus (Since 2019), Chemical Abstracts Services (CAS), EBSCO, CABI, Ulrich Periodicals Directory, Electronic Journals Library, Crossref, ProQuest.
    • E-mail: ijesd@ejournal.net
    • Twitter: @IJESD1
Editor-in-Chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
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IJESD 2018 Vol.9(3): 90-94 ISSN: 2010-0264
doi: 10.18178/ijesd.2018.9.3.1079

Color Glasses during Morning Drive for Commuting-Effects on Autonomic Functions, Alertness, and Nocturnal Sleep

Emi Yuda, Yutaka Yoshida, and Junichiro Hayano
Abstract—Studies of illumination suggest possibility of color lights for adjusting our mind and body to suit desired activities. To examine if similar effects can be obtained by modulating relative contents of light color, biological effects of color-glass wearing during early-morning drive for commuting were studied. Compared with clear glasses, blue glasses increased low frequency (0.04-0.15 Hz) power and deceleration capacity and decreased respiration frequency during driving, while green, orange, and pink glasses made no significant difference from clear glasses. None of the color glasses showed significant difference in the performance to psychomotor vigilance test performed at the beginning and the end of work at job place or in the autonomic functions during sleep of that night. An increase in the content of blue-wavelength light by blue glasses during morning drive may attenuate sympathetic function, but it has no significant after-effect on daytime behavioral alertness or nighttime autonomic functions.

Index Terms—Behavioral alertness, blue light, color glasses, heart rate variability, sleep.

The authors are with the Nagoya City University Graduate School of Medical Sciences, Nagoya 467-8602, Japan (e-mail: emi21@med.nagoya-cu.ac.jp, yyoshida@med.nagoya-cu.ac.jp, hayano@med.nagoya-cu.ac.jp).

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Cite: Emi Yuda, Yutaka Yoshida, and Junichiro Hayano, "Color Glasses during Morning Drive for Commuting-Effects on Autonomic Functions, Alertness, and Nocturnal Sleep," International Journal of Environmental Science and Development vol. 9, no. 3, pp. 90-94, 2018.

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